30492920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 71971200

約数和(自身を除く): 41478280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 271, 290, 388, 485, 542, 580, 776, 970, 1084, 1160, 1355, 1940, 2168, 2710, 2813, 3880, 5420, 5626, 7859, 10840, 11252, 14065, 15718, 22504, 26287, 28130, 31436, 39295, 52574, 56260, 62872, 78590, 105148, 112520, 131435, 157180, 210296, 262870, 314360, 525740, 762323, 1051480, 1524646, 3049292, 3811615, 6098584, 7623230, 15246460, 30492920]

約数ペア:

[(1, 30492920), (2, 15246460), (4, 7623230), (5, 6098584), (8, 3811615), (10, 3049292), (20, 1524646), (29, 1051480), (40, 762323), (58, 525740), (97, 314360), (116, 262870), (145, 210296), (194, 157180), (232, 131435), (271, 112520), (290, 105148), (388, 78590), (485, 62872), (542, 56260), (580, 52574), (776, 39295), (970, 31436), (1084, 28130), (1160, 26287), (1355, 22504), (1940, 15718), (2168, 14065), (2710, 11252), (2813, 10840), (3880, 7859), (5420, 5626)]